Ebay offers Open Box Razor Jetts Heel Wheels for $11.99 (Reg $29.99) with free shipping.

Product Description:
The Razor Jetts Heel Wheels allow you to transform your regular shoes into into the hottest way to roll. These gliding heel wheels are great for kids of all ages, and allow them to easily get around in style. They're easy to put on and adjustable to fit any size of shoe between US youth 12 and adult 12. The multiple color options will match a variety of sneakers and fit anyone's style. The Razor Jetts Heel Wheels include both skid pads and spark pads, which are easy to remove and replace. These heel wheels are made from heavy-duty polymer to stand up to lots of use and support up to 176 lbs at a time. The quick click frames make them easy to put on so you can get right to rolling.

• Weight: 3.0 Pounds
• Closure Type: Easy-Close Fastener
• Suggested Age: 8 Years and Up
• Liner Material: No Lining
• Number of Wheels: 4
• Wheel Material: Polyurethane
• Brake System: Heel Brakes
• Wheel durometer: 78A
• Shoe Width: Medium
• Wheel Color: Black
• Wheel Diameter: 52 Millimeter
• Material: Boot: PVC (Polyvinyl Chloride)